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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 6030351 | Pressure relief reminder and compliance system A pressure relief reminder and compliance system and method to prevent the formation of pressure sores on a person's skin is disclosed. The system comprises sensor which responds according to pressure exerted on the skin; a programmable microcontroller co... | 02/29/2000 |
| 5979067 | Device and related method for measuring foot posture The present invention provides a method and device for evaluating foot posture and its effect of the functional biomechanics of the lower extremities. The device is divided into one half and another half, both of which are identical mirror images and whic... | 11/09/1999 |
| 5957870 | Walking pattern processing method and system for embodying the same According to the present invention, two-dimensional pressure distribution associated with walking are collected at a preselected time interval as time series pressure distribution images, superposed images are formed by superposing the time series pressur... | 09/28/1999 |
| 5957869 | Apparatus and method for measuring anatomical orthopedic joint laxity An improved apparatus and method are provided for force and distance indication readings on the prior art MEDmetrics KT 1000™ which eliminate the need for an observer to vigilantly scrutinize the analog distance indicator and which indicate the force us... | 09/28/1999 |
| 5944676 | Biomedical apparatus particularly for detecting and evaluating the posture of the rear part of the feet A biomedical apparatus, particularly for detecting and evaluating the posture of the rear part of the feet (heels). The apparatus comprises a resting base provided with a flat upper surface on which, in the operating configuration, the feet of the patient... | 08/31/1999 |
| 5941835 | System and method for determining pressure distribution across the sole of a foot The method of the invention maps pressure applied by resilient body surface onto a plurality of movable gauge pins. The method includes the steps of: providing relative movement between the resilient body and the movable gauge pins to cause the gauge pins... | 08/24/1999 |
| 5929332 | Sensor shoe for monitoring the condition of a foot A sensor shoe attached to a power source for sensing conditions of a foot positioned within the sensor shoe. The sensor shoe includes a base, a foot receiving portion extending from the base and an inner sole positioned within the foot receiving portion a... | 07/27/1999 |
| 5925000 | Dynamic balance sport performance system A dynamic balance sport performance system is provided for the dynamic testing of an individual so as to be able to provide appropriately configured shims to be placed adjacent the individual's foot in a shoe for the purpose enabling the individual to per... | 07/20/1999 |
| 5914659 | Child's shoe fit sensor A shoe size fit sensor indicates by a perceptible alarm that the shoe of an infant, a toddler or other small child is too tight for wear. The shoe fit sensor sets off a perceptible visual and or audible alarm when a child's toe makes constant with the sen... | 06/22/1999 |
| 5885229 | Walking pattern processing method and system for embodying the same According to the present invention, two-dimensional pressure distribution associated with walking are collected at a preselected time interval as time series pressure distribution images, superposed images are formed by superposing the time series pressur... | 03/23/1999 |
| 5813142 | Shoe sole with an adjustable support pattern A shoe having a adjustable cushion sole with fluid bladders disposed therein. Each fluid bladders has an associated pressure sensing device which measures the pressure exerted by the user's foot on the fluid bladder. As the pressure increases over a thres... | 09/29/1998 |
| 5800364 | Foot orthoses The invention provides an apparatus and method for recording characteristics of a person's foot and for interpreting the results to design a function foot orthosis. As the person undergoes a movement routine, video cameras (24, 26, 28, 30) view the person... | 09/01/1998 |
| 5790256 | Foot analyzer An apparatus and methods for analyzing feet which utilize matrixes of pressures sensors and optical sensors connected to a controller and a monitor. An apparatus of the invention includes a housing which houses a controller and a monitor and defines left ... | 08/04/1998 |
| 5775332 | Capacitive biofeedback sensor with resilient polyurethane dielectric for rehabilation A capacitive biofeedback sensor including a polyurethane dielectric sandwiched between two wire mesh or carbon impregnated silicone rubber conductors. The sensor is placed within a patient's shoe, boot, ankle, brace, crutch, hand grip, wheelchair, etc., a... | 07/07/1998 |
| 5753931 | Object imaging device and method using line striping A device and method is provided for quickly and accurately obtaining surface contour information from an object without the need for precisely aligning and calibrating mechanical structures or optics elements, and without moving parts. In various embodime... | 05/19/1998 |
| 5720200 | Performance measuring footwear A foot mounted apparatus for measuring one or more locomotive performance parameters of a person is disclosed. Such locomotive performance parameters preferably include user vertical leap time, user vertical jump distance, user walking or running speed, u... | 02/24/1998 |
| 5713361 | Bone assessment apparatus A bone assessment apparatus includes a pair of ultrasonic transducers (14). A plurality of adapters (26, 126) are available so as to easily adjust the position of the calcaneus in accordance with the size of the foot to be examined. A selected adapter (26... | 02/03/1998 |
| 5678566 | Method and apparatus of thermographic evaluation of the plantar surface of feet A method and apparatus for the diagnosis of abnormalities in the plantar surface of the foot employs an insole fabricated of a bottom layer of cushioning material, such as open or closed-cell foam, and a top, foot-engaging layer including a film embedded ... | 10/21/1997 |
| 5678448 | System for continuously measuring forces applied by the foot A self-contained system for measuring forces applied by the foot of a user includes a force sensor array positioned within the user's shoe between the foot and the inner sole of the shoe. The force sensor array including a multiplicity of individual force... | 10/21/1997 |
| 5623944 | Method for characterizing gait A method and apparatus for characterizing the gait of a subject uses a treadmill having a movable support surface with multiple transducers mounted beneath the movable support surface. The subject performs locomotion on the movable surface. The computer a... | 04/29/1997 |
| 5603334 | Apparatus for measuring and developing proprioceptive ability A device is presented for quantitatively measuring and developing proprioceptive ability. The device is also useful for rehabilitating injuries, particularly those to the lower body. The device comprises a rigid platform affixed to an inelastic, unstable ... | 02/18/1997 |
| 5586557 | Functional ambulation performance scoring device A device comprising a system of switches and sensors placed inside a person's footgear which send positional information through wireless telemetry from a transmitter to a receiver. This positional information is entered into a computer and processed acco... | 12/24/1996 |
| 5566479 | Shoe contruction for use by diabetic persons A shoe to be worn by diabetic persons, or persons afflicted with various types of foot maladies, where excess pressure exerted upon a portion of the foot tends to give rise to ulceration. The shoe body is fabricated to have relieved areas in the inner sur... | 10/22/1996 |
| 5564435 | Noninvasive compartment measurement device An apparatus and method are disclosed for noninvasively diagnosing limb compartment syndrome by measuring a quantitative modulus of hardness. In the preferred embodiment, a low friction piston probe mounted within a platform is applied against a limb comp... | 10/15/1996 |
| 5535750 | Method and apparatus for evaluating the progress of osteoporosis by ultrasonic signals An ultrasonic signal is transmitted to a heel bone or patella of a person being examined to obtain data of velocity of transmission propagation. The data which is obtained is computerized through calculation to compute a two-dimensional ratio of a compact... | 07/16/1996 |
| 5524637 | Interactive system for measuring physiological exertion A system is provided for monitoring the physiological exertion of a user. One or more sensors are attached to the limbs of the user to measure the user's motion. The sensors can measure either the acceleration or the force on the limbs. The measured signa... | 06/11/1996 |
| 5511561 | Gait cycle force monitor A foot-pad monitor to detect the amount of force translated though a patient's heel in each gait cycle is described. The foot-pad has a tactile force sensor, means to translate a force applied to the sensor to a voltage, a comparator circuit and an annunc... | 04/30/1996 |
| 5483965 | Ultrasonic densitometer device and method An ultrasound densitometer is disclosed in which ultrasonic transducers are located spaced apart in a water bath into which the heel of a person may be inserted. The transit time of an ultrasonic pulse through the water and heel and the attenuation of the... | 01/16/1996 |
| 5477371 | Three-dimensional, non-contact scanning apparatus and method A three-dimensional, non-contact scanning apparatus for scanning an object, particularly a foot, includes a holder for the object to be scanned, a main carriage movable linearly towards and away from the holder and the object when held thereon, a rotatabl... | 12/19/1995 |
| 5471405 | Apparatus for measurement of forces and pressures applied to a garment To provide a pair of shoes responsive to the relative forces applied to a wearer's feet, at least one force sensor is provided in each of a left and right shoe. The sensor detects pressures which are then converted from a form provided by the sensor into ... | 11/28/1995 |
| 5449002 | Capacitive biofeedback sensor with resilient polyurethane dielectric for rehabilitation a capacitive biofeedback sensor including a polyurethane dielectric sandwiched between two wire mesh or carbon impregnated silicone rubber conductors. The sensor is placed within a patient's shoe, boot, ankle, brace, crutch, hand rip, wheelchair, etc., an... | 09/12/1995 |
| 5437289 | Interactive sports equipment teaching device A teaching device for a sports implement (3,30,75,110) is disclosed including an electro-mechanical or electronic sensing device (1,35,84,116) incorporated in the sports implement (3,30,75,110) which interacts with the thing sported (5,36,90,119) to sense... | 08/01/1995 |
| 5427116 | Device for maintaining a desired load on a joint during observation under magnetic resonance imaging A medical device for use in conjunction with magnetic resonance imaging includes a frame which is selectively coupleable to a surface for supporting a patient, and a receiving member for receiving a body member of the patient, usually a hand or a foot of ... | 06/27/1995 |
| 5408873 | Foot force sensor Foot force sensor for measuring compressive force exerted by a foot. The foot force sensor is in the form of an insole made of layers of relatively thin, planar, flexible, resilient, dielectric material. Electrical contact means having first and second po... | 04/25/1995 |
| 5402800 | Ankle laxity measurement system An ankle laxity measurement system for measuring laxity of the ankle and subtalar joint of a patient, includes a foot clamp frame securable to the patient's foot. A reference point is established on the patient's tibia above the patient's ankle. Motion be... | 04/04/1995 |
| 5390680 | Method of and device for taking limb impressions An impression of a limb, for example, a foot, can be taken, e.g. for mail order or catalog sales and shoes, shoe inserts and the like without trying on, utilizing a transparent pouch, one inner wall of which has an adhesive layer separated by a silicone f... | 02/21/1995 |
| 5388591 | Method and apparatus for analyzing the human postural control system A method and an apparatus for analyzing the human postural control system includes computing the mean square displacement of the center of pressure beneath a subject's feet vs. the time interval. The result is plotted as a stabilogram diffusion plot. The ... | 02/14/1995 |
| 5361778 | Method and apparatus for sensing and evaluating foot borne motion A method for evaluating foot borne motion in an individual including causing the individual to engage in the foot borne motion; and detecting predetermined movement relative to a foot of the individual during the foot borne motion. An apparatus for evalua... | 11/08/1994 |
| 5360015 | Apparatus for study and reeducation of the ankle The apparatus has a plate (1) pivotingly mounted on a horizontal axis (X--X') with stops (4) limiting the inclination of the plate (1) on either side of the axis. The inclination of the plate is measured at (7) and recorded at (14). Display (17) displays ... | 11/01/1994 |
| 5357696 | Device for measuring force applied to a wearer's foot A device for monitoring force being applied by a wearer thereof to the wearer's foot, as during walking. The device is contained within a shoe-like structure which can be worn by a recuperating injured person or a person recovering from surgery, etc. The ... | 10/25/1994 |
